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The Spin Tensor of Dark Matter and the Hubble Parameter Tension

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arxiv 2004.13163 v2 pith:54XC7YOU submitted 2020-04-27 gr-qc astro-ph.COhep-th

classification gr-qcastro-ph.COhep-th
keywords darkmathrmmattereffectivehubbleomegaparameterspin
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abstract

Allowing for a nonvanishing spin tensor for cold dark matter ($\omega_{\mathrm{DM}}=0$) has the consequence of giving rise to an effective $\mathrm{FLRW}$ dynamics with a small negative barotropic constant for an effective dark matter density ($-1/3<\omega_{\mathrm{eff}}\leq0$). This turns out to solve the Hubble parameter tension in a straightforward way.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. No late-time role for adiabatic torsion: a no-go result for Hubble-cutoff holographic dark energy in Einstein--Cartan cosmology

    gr-qc 2026-07 accept novelty 6.0 of 10

    The adiabatic Einstein–Cartan torsion mode cannot rescue Hubble-cutoff holographic dark energy: it is dynamically inert and bounded to Ω_Φ < 5×10⁻²⁴ by BBN.

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